<!--********************************************************************
* Copyright© 2000 - 2025 SuperMap Software Co.Ltd. All rights reserved.
*********************************************************************-->
<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title data-i18n="resources.title_mapQueryByBounds"></title>
    <style>
      #toolbar {
        position: absolute;
        top: 50px;
        right: 10px;
        text-align: center;
        z-index: 1000;
        border-radius: 4px;
      }
    </style>
</head>
<body style=" margin: 0;overflow: hidden;background: #fff;width: 100%;height:100%;position: absolute;top: 0;">
<div id="toolbar" class="panel panel-primary">
  <div class='panel-heading'>
      <h5 class='panel-title text-center' data-i18n="resources.title_queryByBounds"></h5></div>
  <div class='panel-body content'>
      <input type="button" class="btn btn-default" data-i18n="[value]resources.text_query"
              onclick="query()"/>&nbsp;
      <input type="button" class="btn btn-default" data-i18n="[value]resources.text_input_value_clear"
              onclick="clearElements()"/>
  </div>
</div>
<div id="map" style="margin:0 auto;width: 100%;height: 100%"></div>
<script type="text/javascript" include="bootstrap" src="../js/include-web.js"></script>
<script type="text/javascript" include="leaflet-geoman" src="../../dist/leaflet/include-leaflet.js"></script>
<script type="text/javascript">
    var host = window.isLocal ? window.server : "https://iserver.supermap.io";
    var map, resultLayer, polygon,
        url = host + "/iserver/services/map-world/rest/maps/World";
    map = L.map('map', {
        preferCanvas: true,
        crs: L.CRS.EPSG4326,
        center: {lon: 0, lat: 0},
        maxZoom: 18,
        zoom: 2
    });
    new L.supermap.TiledMapLayer(url).addTo(map);

    function query() {
      clearElements();
      map.pm.enableDraw('Rectangle');
      map.on('pm:create', function(e) {
        polygon = e.layer;
        var param = new L.supermap.QueryByBoundsParameters({
            queryParams: {name: "Capitals@World.1"},
            bounds: polygon.getBounds()
        });
        new L.supermap
            .QueryService(url)
            .queryByBounds(param).then(function (serviceResult) {
                var result = serviceResult.result;
                resultLayer = L.geoJSON(result.recordsets[0].features, {color: 'red'}).addTo(map);
            });
      });
    }

    function clearElements() {
      map.off('pm:create');
      if (polygon) {
        polygon.pm.remove();
        polygon = null;
      }
      resultLayer && map.removeLayer(resultLayer);
    }
</script>
</body>
</html>